CA1138097A - Non-linear processing of video image vertical detail information - Google Patents
Non-linear processing of video image vertical detail informationInfo
- Publication number
- CA1138097A CA1138097A CA000351685A CA351685A CA1138097A CA 1138097 A CA1138097 A CA 1138097A CA 000351685 A CA000351685 A CA 000351685A CA 351685 A CA351685 A CA 351685A CA 1138097 A CA1138097 A CA 1138097A
- Authority
- CA
- Canada
- Prior art keywords
- signal
- luminance
- vertical detail
- gain
- signals
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N9/00—Details of colour television systems
- H04N9/77—Circuits for processing the brightness signal and the chrominance signal relative to each other, e.g. adjusting the phase of the brightness signal relative to the colour signal, correcting differential gain or differential phase
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N9/00—Details of colour television systems
- H04N9/77—Circuits for processing the brightness signal and the chrominance signal relative to each other, e.g. adjusting the phase of the brightness signal relative to the colour signal, correcting differential gain or differential phase
- H04N9/78—Circuits for processing the brightness signal and the chrominance signal relative to each other, e.g. adjusting the phase of the brightness signal relative to the colour signal, correcting differential gain or differential phase for separating the brightness signal or the chrominance signal from the colour television signal, e.g. using comb filter
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G11/00—Limiting amplitude; Limiting rate of change of amplitude ; Clipping in general
- H03G11/002—Limiting amplitude; Limiting rate of change of amplitude ; Clipping in general without controlling loop
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Processing Of Color Television Signals (AREA)
- Picture Signal Circuits (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/038,203 US4245238A (en) | 1979-05-11 | 1979-05-11 | Non-linear processing of video image vertical detail information |
US038,203 | 1979-05-11 |
Publications (1)
Publication Number | Publication Date |
---|---|
CA1138097A true CA1138097A (en) | 1982-12-21 |
Family
ID=21898635
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA000351685A Expired CA1138097A (en) | 1979-05-11 | 1980-05-09 | Non-linear processing of video image vertical detail information |
Country Status (22)
Country | Link |
---|---|
US (1) | US4245238A (ja) |
JP (1) | JPS55153490A (ja) |
KR (1) | KR840000387B1 (ja) |
AT (1) | AT383713B (ja) |
AU (1) | AU536332B2 (ja) |
BE (1) | BE883156A (ja) |
CA (1) | CA1138097A (ja) |
DE (1) | DE3017931C2 (ja) |
DK (1) | DK148048C (ja) |
ES (1) | ES491347A0 (ja) |
FI (1) | FI72022C (ja) |
FR (1) | FR2456447B1 (ja) |
GB (1) | GB2049346B (ja) |
HK (1) | HK19187A (ja) |
IT (1) | IT1131169B (ja) |
MX (1) | MX5029E (ja) |
MY (1) | MY8500724A (ja) |
NL (1) | NL8002699A (ja) |
NZ (1) | NZ193570A (ja) |
PL (1) | PL129459B1 (ja) |
PT (1) | PT71200A (ja) |
SE (1) | SE450447B (ja) |
Families Citing this family (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4245237A (en) * | 1979-05-11 | 1981-01-13 | Rca Corporation | Controllable non-linear processing of video signals |
US4445152A (en) * | 1980-09-02 | 1984-04-24 | Karlock James A | Video detail enhancing circuit |
US4343019A (en) * | 1981-01-16 | 1982-08-03 | Rca Corporation | Apparatus for reducing the effect of co-channel interference on synchronizing pulses |
US4402006A (en) * | 1981-02-23 | 1983-08-30 | Karlock James A | Image enhancer apparatus |
US4371891A (en) * | 1981-04-10 | 1983-02-01 | Rca Corporation | Chrominance signal processor |
GB2110044A (en) * | 1981-11-06 | 1983-06-08 | Rca Corp | Digital signal separation network and television receiver including such a network |
SE453246B (sv) * | 1982-11-26 | 1988-01-18 | Rca Corp | Anordning och sett for bild-till-bildkamfiltrering av en sammansatt televisionssignal |
IT1177297B (it) * | 1983-11-28 | 1987-08-26 | Rca Corp | Elaboratore di segnali di dettaglio verticale |
US4626894A (en) * | 1984-10-04 | 1986-12-02 | Rca Corporation | Signal filtering system having adaptively cascaded filter stages for developing a variable bandwidth frequency characteristic |
JPS62245894A (ja) * | 1986-04-18 | 1987-10-27 | Sony Corp | 映像信号分離装置 |
JPH07123307B2 (ja) * | 1986-05-20 | 1995-12-25 | ソニー株式会社 | Y/c分離回路 |
DE3619222A1 (de) * | 1986-06-07 | 1987-12-10 | Thomson Brandt Gmbh | System zur rauschminderung |
DE3619223A1 (de) * | 1986-06-07 | 1987-12-10 | Thomson Brandt Gmbh | System zur rauschminderung |
US5287174A (en) * | 1991-04-05 | 1994-02-15 | Sanyo Electric Co., Ltd. | Vertical resolution correcting circuit for video signal |
JP2004159067A (ja) * | 2002-11-06 | 2004-06-03 | Sanyo Electric Co Ltd | 垂直シャープネス装置及びそれを備えたtv受像機 |
DE102007022848A1 (de) * | 2007-05-12 | 2008-11-13 | Beth Holzbearbeitungsmaschinen Gmbh | Vorrichtung und Verfahren zum Bearbeiten von Stirnseiten von Holzwerkstücken quer zu deren Faserlängsrichtung |
CN111386175A (zh) * | 2018-03-04 | 2020-07-07 | 奥斯本股份有限公司 | 具有工具安装适配器的旋转表面修整器具 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2053513C3 (de) * | 1970-10-31 | 1975-08-14 | Robert Bosch Gmbh, 7000 Stuttgart | Verfahren und Anordnung zur Vermeidung des Auflösungsverlustes in Vertikalrichtung eines Farbfernsehbildes |
US3715477A (en) * | 1971-03-11 | 1973-02-06 | Rca Corp | Video signal noise-limiting apparatus |
NL158987B (nl) * | 1972-06-10 | 1978-12-15 | Philips Nv | Apertuurcorrector voor een televisiebeeldsignaal, alsmede televisie-opneeminrichting, daarvan voorzien. |
US4074321A (en) * | 1976-10-12 | 1978-02-14 | The Magnavox Company | Circuit for separating chroma and luminance information in a composite video signal |
US4096516A (en) * | 1977-03-25 | 1978-06-20 | Rca Corporation | Electronic signal processing apparatus |
DE2736368C2 (de) * | 1977-08-12 | 1982-05-13 | Robert Bosch Gmbh, 7000 Stuttgart | Verfahren und Schaltungsanordnung zur Aperturkorrektur eines digitalen Videosignals |
-
1979
- 1979-05-11 US US06/038,203 patent/US4245238A/en not_active Expired - Lifetime
-
1980
- 1980-04-30 GB GB8014176A patent/GB2049346B/en not_active Expired
- 1980-04-30 NZ NZ193570A patent/NZ193570A/xx unknown
- 1980-05-02 FI FI801422A patent/FI72022C/fi not_active IP Right Cessation
- 1980-05-05 SE SE8003337A patent/SE450447B/sv not_active IP Right Cessation
- 1980-05-05 AU AU58087/80A patent/AU536332B2/en not_active Expired
- 1980-05-07 PT PT71200A patent/PT71200A/pt unknown
- 1980-05-07 BE BE0/200506A patent/BE883156A/fr not_active IP Right Cessation
- 1980-05-09 DK DK204480A patent/DK148048C/da not_active IP Right Cessation
- 1980-05-09 DE DE3017931A patent/DE3017931C2/de not_active Expired
- 1980-05-09 IT IT21962/80A patent/IT1131169B/it active
- 1980-05-09 NL NL8002699A patent/NL8002699A/nl active Search and Examination
- 1980-05-09 CA CA000351685A patent/CA1138097A/en not_active Expired
- 1980-05-09 AT AT0249980A patent/AT383713B/de not_active IP Right Cessation
- 1980-05-09 FR FR8010439A patent/FR2456447B1/fr not_active Expired
- 1980-05-09 JP JP6216380A patent/JPS55153490A/ja active Granted
- 1980-05-09 ES ES491347A patent/ES491347A0/es active Granted
- 1980-05-09 MX MX80100952U patent/MX5029E/es unknown
- 1980-05-12 KR KR1019800001867A patent/KR840000387B1/ko active
- 1980-05-12 PL PL1980224177A patent/PL129459B1/pl unknown
-
1985
- 1985-12-30 MY MY724/85A patent/MY8500724A/xx unknown
-
1987
- 1987-03-05 HK HK191/87A patent/HK19187A/xx not_active IP Right Cessation
Also Published As
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
MKEX | Expiry |